Leatrix Latency Fix

Leatrix Latency Fix will reduce your online gaming latency significantly by increasing the frequency of TCP acknowledgements sent to the game server. For the technically minded, this is a program which will modify TCPAckFrequency.

You will see reduced latency in many online games including World of Warcraft, WildStar, Heroes of the Storm, Elder Scrolls Online, Guild Wars 2, Diablo 3, Star Wars: The Old Republic, Rift and more.

Note that Leatrix Latency Fix performs a different modification to the 'Optimise Network for Speed' setting in World of Warcraft. They are not the same thing and can be used together (more information on this in the FAQ).

Simply download the zip file, extract it and then run Leatrix_Latency_Fix_3.00.exe. When the program launches, click the Install button. You will see the status change from 'Not Installed' to 'Installed'. You need to restart your computer (or disable/enable your network card) for the changes to take effect.

Your Windows account needs to have Administrator rights in order to install or remove Leatrix Latency Fix. If your Windows account doesn't have Administrator rights, you will be prompted for the credentials of an account that does have them.

After Leatrix Latency Fix has been installed, you can login to your online games with reduced latency!

For reference, the status line in the program will show 3 possible tags. 'Installed' indicates that all network interfaces have been modified for reduced latency. 'Not Installed' indicates that no network interfaces are modified for reduced latency. 'Partially Installed' indicates that some network interfaces have been modified for reduced latency. You will see this status tag if you add a new network card (or perhaps a USB modem) after the installation of Leatrix Latency Fix.

Errors and Unexpected Behaviour

If you have any problems with the program, please click here to send me a message. Include your operating system and service pack as well as any relevant information (such as error messages). You can also try version 2 if you prefer (available here). Version 2 requires the Microsoft.net Framework (available here) but the mechanics are identical to version 3. You can watch a short installation video for version 2 here.

If you are having problems downloading from Wowinterface, please use this link on Dropbox (this link is subject to change so please don't share it elsewhere).

More Information

There is a FAQ covering pretty much everything here and there is a short installation video tutorial here.

To ensure that people always use the genuine Leatrix Latency Fix program, please don't publish it elsewhere. It's completely free so there is no need to. Please link to www.leatrix.com instead.

Links

Some official and unofficial videos and websites referencing Leatrix Latency Fix are listed below. If you have made an honest webpage or video featuring Leatrix Latency Fix and you would like to see it listed here, just send me a private message.

Aside from what Dolby has already said, this download isn't even compiled. All of the source code is available to anyone that wishes to view it; they're VB scripts. I encourage anyone that knows what they're looking at to review them. You should find nothing out of the ordinary.

I would just like to confirm WoWI has tested this file extensively and it is safe.

The files are vbs so you can look at the source, nothing is hidden. 40 other virus scanners confirm that this is safe: http://www.virustotal.com/analisis/2...771-1271413814. All files uploaded to WoWInterface are manually checked and executable files are held to even a higher standard and are pulled apart in a sandbox before made available to download.

Amazing.
I had around 300ms before LLF and it dropped below 100ms after installing it.
Used to be (1y4m ago) below 100ms all the time but now there are three computers instead of one connected to the same router. (a bit offtopic, yes)
Oh and.. Win 7 64bit

It really does work =) Just wanted to put this here. I was worried when my computer restarted a bit slower than normal, but I don't think this was the culprit. WoW runs with around 60ms of latency now.

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